Copy Anything to Clipboard < 5.5.5 - Contributor+ Stored XSS via 'success-text' Shortcode Attribute

Description

The plugin does not sanitize and escape a shortcode attribute before storing it and writing it back into the page through a client-side script, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks against higher-privileged users who view and interact with the content.